Refill color:

D63 type [10 pens] 3 left

D63 type [20 pens] 3 left

D63 type [10 pens +50 refills] hot sale

D63 type [10 pens +100 refills]]

High-grade Gray-high-grade

Unicorn-high-end

Pen head:

S6 [upgraded push pen] Black

S6 [upgraded push pen] Blue

S6 [upgraded push pen] Red